vb程序设计教程(第2版)实验6自测练习1
Private Sub Form_Click()
Dim a(1 To 20) As Integer, i%
a(1) = 1
Print a(1),
a(2) = 1
Print a(2),
For i = 1 To 20
If i > 2 Then
a(i) = a(i - 1) + a(i - 2)
If i Mod 5 = 0 Then
Print a(i)
Else
Print a(i),
End If
End If
Next i
End Sub
自测练习2
Private Sub Com...
自测练习1
Private Sub Form_Click()
Dim a(1 To 20) As Integer, i%
a(1) = 1
Print a(1),
a(2) = 1
Print a(2),
For i = 1 To 20
If i > 2 Then
a(i) = a(i - 1) + a(i - 2)
If i Mod 5 = 0 Then
Print a(i)
Else
Print a(i),
End If
End If
Next i
End Sub
自测练习2
Private Sub Command1_Click()
Dim a(1 To 10) As Double, i%, t#
For i = 1 To 10
a(i) = Val(InputBox("请输入第" & i & "个数"))
Picture1.Print a(i);
Next i
For c = 0 To 8
For i = 1 To 9 - c
If a(i) > a(i + 1) Then
t = a(i + 1)
a(i + 1) = a(i)
a(i) = t
End If
v = a(i + 1)
Next i
Picture2.Print v;
Next c
Picture2.Print a(1)
End Sub
Private Sub Command2_Click()
End
End Sub
自测练习3
Private Sub Command1_Click()
Dim a(1 To 10) As String, i%, r%
For i = 1 To 10
Randomize
r = Rnd * 25 + 65
a(i) = Chr(r)
Picture1.Print " "; a(i);
Next i
For i = 1 To 5
t = a(11 - i)
a(11 - i) = a(i)
a(i) = t
Next
For i = 1 To 10
Picture2.Print " "; a(i);
Next
End Sub
自测练习4
Private Sub Command1_Click()
Dim a(1 To 100) As Integer, b(1 To 9) As Single
For c = 1 To 9
b(c) = 0
Next
For i = 1 To 100
Randomize
a(i) = Rnd * 90 + 10
If i Mod 10 = 0 Then
Picture1.Print a(i)
Else
Picture1.Print " "; a(i);
End If
If a(i) > 9 And a(i) < 20 Then
b(1) = b(1) + 1
ElseIf a(i) > 19 And a(i) < 30 Then
b(2) = b(2) + 1
ElseIf a(i) > 29 And a(i) < 40 Then
b(3) = b(3) + 1
ElseIf a(i) > 39 And a(i) < 50 Then
b(4) = b(4) + 1
End If
Next
Label2.Caption = b(1)
Label4.Caption = b(2)
Label6.Caption = b(3)
Label8.Caption = b(4)
End Sub
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